%0 Journal Article %A B. V. Simonov %T Asymmetric approximations of functions of several variables in function spaces %J Izvestiâ vysših učebnyh zavedenij. Matematika %D 2005 %P 49-56 %N 8 %I mathdoc %U http://geodesic.mathdoc.fr/item/IVM_2005_8_a5/ %G ru %F IVM_2005_8_a5